This is a Mechanics Modified Mac Socket 1 1/8" Deep Well 1/2" Drive Sliding Inner Sleeve. It is in good used condition with marks and wear. This has been modified from the original socket. We will combine shipping on multiple items. After purchasing your items we will package them and determine a shipping cost. We will refund the difference to you as a shipping discount. If you have any questions or concerns contact me before making your purchase. I may use recycled boxes in order to be more eco-friendly. Item is shipped using USPS. Thank you for your interest.